For Which of the Following Reactions Will the Entropy of a System

question 18

Multiple Choice

For which of the following reactions will the entropy of a system decrease?

• A) 2 NH₃(g)→ N₂(g)+ 3 H₂(g)
• B) 2 C(s)+ O₂(g)→ 2 CO(g)
• C) CaCO₃(s)→ CaO(s)+ CO₂(g)
• D) 2 NO₂(g)→ N₂O₄(g)
• E) NaOH(s)→ Na⁺(aq)+ OH^-(aq)

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